Mike, yes, the kiln seems to be ok. With practice l think l will manage the gas production to be longer and less intensive. Tomorow l will try to load it with big logs and split oak firewood, to heat slowly and produce gas that has a lower caloric value (part of the wood pirolising and the core still emiting steam).
Allso, l plan to condense the gas. Most burnables like tars, acetic acid and methanol will fall out, the remaining mainly CO and H2 mix will burn and heat the Kursk.
Yes dual kiln wuld be nice. That wuld mean wery high efficiancy with ability to use green wood as feedstock. Will see.
As for cuting gas, sure, detared and cooled it culd have many applications. I know a guy who cut steel with woodgas/o2. He says the cuting is done with O2 anyway, the gas is just there to start the reaction of steel and oxigen.